<?php
/**
 * Copyright (c) Enalean, 2018. All Rights Reserved.
 *
 * This file is a part of Tuleap.
 *
 * Tuleap is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Tuleap is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Tuleap. If not, see <http://www.gnu.org/licenses/>.
 */

namespace Tuleap\User;

class UserEmailCollection
{
    /**
     * @var \PFUser[]
     */
    private $users_indexed_by_email = [];

    public function __construct(\PFUser ...$users)
    {
        foreach ($users as $user) {
            $this->users_indexed_by_email[$user->getEmail()] = $user;
        }
    }

    /**
     * @return null|\PFUser
     */
    public function getUserByEmail($email)
    {
        if (! isset($this->users_indexed_by_email[$email])) {
            return null;
        }
        return $this->users_indexed_by_email[$email];
    }
}
